9773449076 has 24 divisors (see below), whose sum is σ = 17234156520. Its totient is φ = 4849483392.

The previous prime is 9773449069. The next prime is 9773449099. The reversal of 9773449076 is 6709443779.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4076822500 + 5696626576 = 63850^2 + 75476^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511226 + ... + 529998.

It is an arithmetic number, because the mean of its divisors is an integer number (718089855).

Almost surely, 2^9773449076 is an apocalyptic number.

It is an amenable number.

9773449076 is a deficient number, since it is larger than the sum of its proper divisors (7460707444).

9773449076 is a wasteful number, since it uses less digits than its factorization.

9773449076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19763 (or 19761 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 56.

The square root of 9773449076 is about 98860.7559954910. The cubic root of 9773449076 is about 2138.0406175204.

The spelling of 9773449076 in words is "nine billion, seven hundred seventy-three million, four hundred forty-nine thousand, seventy-six".